Multifunctional solar heat storage water tank

Abstract

The invention relates to the technical field of solar heat storage water tanks, in particular to a multifunctional solar heat storage water tank which comprises a solar water storage tank body, and the solar water storage tank body comprises an inner barrel, an outer skin, a heat preservation layer, an outer skin and end covers at the two ends. The solar water storage tank has the advantages that cold water can be heated by the aid of heat accumulated by heat-conducting media in the solar water storage tank, clean hot water can be conveyed outwards, and accordingly convenience can be provided for people to use the solar water storage tank, a heating water outlet and a heating water return port are formed in an end cover of an equipment bin at the same end of the water storage tank, and flow guide pipes are arranged in the heating water return port; the low-temperature heat-conducting medium which is heated back is guided into the other end of the water tank, so that the defects that short-circuit circulation is formed at the same end of a cold water inlet and a hot water outlet and heat circulation cannot be conducted can be overcome, the length of an exposed circulating pipe of the water tank is reduced, and system operation heat loss and installation and maintenance cost can be effectively reduced.

Description

Technical Field

[0001] The invention relates to the technical field of solar water storage tanks, in particular to a multifunctional solar water storage tank. Background Art

[0002] As one of the important components of solar energy, the solar water storage tank is mainly used to convert solar radiation energy into thermal energy, and heat the cold water inside the solar water heater into hot water through thermal energy. The hot water can then be stored in the solar water storage tank for subsequent use.

[0003] However, the existing solar water storage tank has a poor insulation effect when in use, and will cause great heat loss during operation, and cannot ensure that the stored heat is fully utilized for heating work, thereby causing waste of heat energy. In addition, it is impossible to separate domestic hot water and heating hot water for use during use, which leads to the inability to ensure the cleanliness of domestic hot water during heating work, bringing inconvenience to people's daily life. Summary of the invention

[0004] The purpose of the present invention is to provide a multifunctional solar water storage tank to solve the problem raised in the above background technology. However, the existing solar water storage tank has poor thermal insulation effect when in use, will cause large heat loss during operation, and cannot ensure that the stored heat is fully utilized for heating work, thereby causing waste of thermal energy. In addition, when in use, it is impossible to separate domestic hot water and heating hot water for use, which leads to the inability to ensure the cleanliness of domestic hot water during heating work, bringing inconvenience to people's daily life.

[0005] To achieve the above object, the present invention provides the following technical solution: a multifunctional solar water storage tank, comprising: a solar water storage tank

[0006] The solar water storage tank includes an inner barrel, an outer skin, a thermal insulation layer and end covers at both ends of the outer skin. Equipment installation compartments are arranged in the outer skin and the thermal insulation layer at both ends of the water tank.

[0007] The equipment installation compartment is provided with a cold water inlet, the solar water storage tank is provided with a hot water outlet, the solar water storage tank is provided with a heating water return hole, a guide pipe is installed inside the heating water return hole, the solar water storage tank is provided with a heating water outlet hole, and the solar water storage tank is provided with an electric auxiliary heating pipe installation hole;

[0008] A pressurized hot water supply system, which is arranged inside the solar water storage tank and can deliver hot and cold water, and adopts a non-contact heat exchange pressurized structure;

[0009] The pressurized hot water supply system comprises a pipe 1 and a pipe 2 which are arranged on one side inside a solar water storage tank, and the connection between the pipe 1 and the pipe 2 is connected by a sealing rubber ring, a thermostatic valve is connected between the pipe 1 and the pipe 2 by a sealing rubber ring, a constant temperature water outlet pipe is arranged on one side of the thermostatic valve by a sealing rubber ring, a tap water inlet pipe is arranged on one side between the pipe 2 and the thermostatic valve by a sealing rubber ring, a heat exchange pipe is arranged at one end of the pipe 1 and the pipe 2 and located inside the solar water storage tank, one end of one of the heat exchange pipes is connected to a U-shaped heat exchange connecting pipe by a sealing rubber ring, a three-way pipe is connected between the other heat exchange pipe and the U-shaped heat exchange connecting pipe by a sealing rubber ring, and a pressure relief valve is arranged on one side of the three-way pipe by a sealing rubber ring.

[0010] Among them, it also includes a fin mechanism, which is arranged on the inner side and the outer side of the heat exchange tube, and the fin mechanism is used to improve the heat exchange efficiency;

[0011] The fin mechanism comprises a plurality of outer fins which are fixedly connected to the outer side of the heat exchange tube at equal intervals, and a plurality of inner fins which are fixedly connected to the inner side of the heat exchange tube at equal intervals.

[0012] The solar water storage tank is provided with a liquid level and temperature sensor port inside, and a liquid level sensor and a temperature sensor are provided inside the liquid level and temperature sensor port through a sealing rubber ring.

[0013] Among them, it also includes: a protective heat-insulating mechanism, which is arranged on both sides of the solar water storage tank, and the protective heat-insulating mechanism can provide a blocking protection and heat-insulating function for the equipment installation bin;

[0014] The protective heat-insulating mechanism comprises outer end covers arranged on both sides of the solar water storage tank, and one side of the outer end cover is fixedly connected with an equipment warehouse heat-insulating plate.

[0015] Among them, the thermal insulation layer inside the solar water storage tank is a polyurethane thermal insulation layer.

[0016] The present invention has at least the following beneficial effects:

[0017] The installation and use of the present invention has three modes:

[0018] In the first mode, when a single solar water storage tank is used, protective insulation mechanisms are installed on both sides; the two ends are A or C type equipment warehouses, and a thermostatic valve is set between pipe 1 and pipe 2 at the end of the A type equipment warehouse. When domestic water is needed, the water temperature can be adjusted by the thermostatic valve and then discharged through the constant temperature outlet pipe for use. Tap water can be injected through the tap water inlet pipe, and the unused pipe openings can be blocked with plugs. The C type equipment interface connects pipe 1 and pipe 2 through a U-shaped heat exchange pipe, and a pressure relief valve is installed at the connection position;

[0019] In the second mode, when two solar water storage tanks are connected and installed, the two outermost boxes are A or C type equipment compartments; the interfaces between the two adjacent boxes are B type, and are directly connected through bellows;

[0020] The third mode is that when multiple solar water storage tanks (three or more) are installed and connected together, the two outermost parts of the multiple water tanks are equipment compartments, which can be type A or type C respectively, and the remaining connection positions are all type B interfaces. Two adjacent type B interfaces are connected through a bellows to ensure the normal water transportation of multiple solar water storage tanks. In addition, air pressure regulating pipes are provided inside the multiple solar water storage tanks to adjust the internal air pressure of the multiple solar water storage tanks, and all ports in the multiple solar water storage tanks are installed with insulation mechanisms;

[0021] And by setting a water-to-water heat exchanger with heat dissipation fins inside and outside the water tank, a pressurized hot water supply system is formed, which can use the heat accumulated in the solar water storage tank to heat the cold water and transport cold and clean hot water to the outside, thereby providing convenience for people's use. The solar water storage tank should form a closed-loop pressurized hot water supply system with a built-in heat exchanger. The water storage tank is provided with a heating outlet and a heating return outlet on the end cover of the equipment compartment at the same end. A guide pipe is provided through the cold water inlet and in the heating return outlet to guide the low-temperature water returned from the heating to the other end of the water tank into the cold water, and the hot water outlet and hot water are output at the same end. This can avoid the defects of short-circuit circulation and heat failure caused by the inlet and outlet of cold and hot water at the same end, and also reduce the length of the exposed circulation pipe of the water tank, which can effectively reduce the heat loss of the system operation and the installation and maintenance costs. Then, an open non-pressurized circulation heating system is formed. Equipment installation compartments are designed at both ends of the heat storage tank. One end can be installed with a constant temperature water supply and heating device, and the other end can be installed with a pressure relief device, so as to improve the complete performance and technical content of the solar heating equipment. And by installing a water heat exchanger inside the solar water storage tank, the cleanliness of domestic water is guaranteed during heating work, thereby providing the required functions for people's daily life. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 This is a schematic diagram of the structure of the A-type equipment warehouse of the present invention;

[0024] Figure 3 This is a schematic diagram of the structure of the B-type interface end of the present invention.

[0025] Figure 4 This is a schematic diagram of the structure of a C-type equipment warehouse of the present invention;

[0026] Figure 5This is a schematic diagram of the internal structure of multiple units connected in series according to the present invention;

[0027] Figure 6 It is a structural schematic diagram of the protective heat preservation mechanism of the present invention;

[0028] Figure 7 It is a schematic diagram of the structure of the heat exchange tube of the present invention;

[0029] Figure 8 For the present invention Figure 7 The enlarged schematic diagram at A in the middle;

[0030] Fig. 9 It is a structural schematic diagram of the flow guide tube of the present invention;

[0031] Fig.10 It is a cross-sectional view of the heat exchange tube of the present invention.

[0032] In the figure: 1. Solar water storage tank; 2. Cold water inlet; 3. Hot water outlet; 4. Heating return hole; 5. Tap water inlet pipe; 6. Protective insulation mechanism; 61. External end cover; 62. Equipment compartment insulation board; 7. Constant temperature valve; 8. Pressurized hot water supply system; 81. Pipeline 1; 82. Pipeline 2; 83. U-shaped heat exchange tube; 84. Heat exchange tube; 9. Fin mechanism; 91. Inner fin; 92. Outer fin; 10. Liquid level and temperature sensor port; 11. Heating water outlet; 12. Electric auxiliary heating tube installation hole; 13. Constant temperature water outlet pipe; 14. Tee pipe; 15. Pressure relief valve; 16. Sealing rubber ring; 17. Flow guide pipe. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] Embodiment 1

[0035] See also Figures 1 to 10 The present invention provides a technical solution: a multifunctional solar water storage tank, comprising: a solar water storage tank 1

[0036] The solar water storage tank 1 includes an inner barrel, an outer skin, an insulation layer and end covers at both ends of the outer skin. Equipment installation compartments are arranged in the outer skin and the insulation layer at both ends of the water tank.

[0037] A cold water inlet 2 is provided inside the equipment installation warehouse, a hot water outlet 3 is provided inside the solar water storage tank 1, a heating return water hole 4 is provided inside the solar water storage tank 1, a guide pipe 17 is installed inside the heating return water hole 4, the guide pipe 17 is composed of multiple guide pipes 17 with outer threads and inner threads respectively provided at the head and tail ends, and two guide pipes 17 are formed by splicing and combining the inner and outer threads, a heating water outlet hole 11 is provided inside the solar water storage tank 1, and an electric auxiliary heating pipe installation hole 12 is provided inside the solar water storage tank 1, and the electric auxiliary heating pipe installation hole 12 is connected to an external power supply through an outer wire to assist in heating the water tank;

[0038] A pressurized hot water supply system 8, which is arranged inside the solar water storage tank 1, and can deliver hot and cold water. The pressurized hot water supply system 8 adopts a non-contact heat exchange and pressurized structure;

[0039] The pressurized hot water supply system 8 includes a pipe 1 81 and a pipe 2 82 arranged on one side of the solar water storage tank 1, and the connection between the pipe 1 81 and the pipe 2 82 is connected by a sealing rubber ring 16, a thermostatic valve 7 is connected between the pipe 1 81 and the pipe 2 82 through the sealing rubber ring 16, a constant temperature water outlet pipe 13 is arranged on one side of the thermostatic valve 7 through the sealing rubber ring 16, a tap water inlet pipe 5 is arranged on one side between the pipe 2 82 and the thermostatic valve 7 through the sealing rubber ring 16, a heat exchange tube 84 is arranged at one end of the pipe 1 81 and the pipe 2 82 and located in the solar water storage tank 1, one end of one of the heat exchange tubes 84 is connected to a U-shaped heat exchange connecting tube 83 through the sealing rubber ring 16, a three-way pipe 14 is connected between the other heat exchange tube 84 and the U-shaped heat exchange connecting tube 83 through the sealing rubber ring 16, and a pressure relief valve 15 is arranged on one side of the three-way pipe 14 through the sealing rubber ring 16;

[0040] By providing the pressurized hot water supply system 8, the solar water storage tank 1 can be used to transport hot and cold water, thereby providing convenience for people to use. The installation and use of the present invention has three modes:

[0041] In the first mode, when a single solar water storage tank 1 is used, both sides thereof are equipped with protective insulation mechanisms 6; the two ends are respectively A or C type equipment compartments, and a thermostatic valve 7 is arranged between pipe 1 81 and pipe 2 82 at the A type equipment compartment, and then when domestic water is needed, the water temperature can be adjusted by the thermostatic valve 7 and then discharged through the constant temperature outlet pipe 13 for use, and tap water can be injected through the tap water inlet pipe 5, and the unused pipe openings can be blocked with plugs;

[0042] In the second mode, when two solar water storage tanks 1 are connected and installed, the equipment compartments on the outermost sides are A or C; the interfaces between two adjacent tanks are both type B;

[0043] The third mode is Figure 5 As shown, when multiple solar water storage tanks 1 (greater than or equal to three) are installed and connected together, the two outermost parts of the multiple water tanks are equipment compartments, which can be type A or type C respectively, and the remaining connection positions are all type B interfaces, and two adjacent type B interfaces are connected through a bellows to ensure that the water transportation work of the multiple solar water storage tanks 1 is carried out normally, and air pressure regulating pipes are arranged inside the multiple solar water storage tanks 1 to adjust the internal air pressure of the multiple solar water storage tanks 1, and heat preservation mechanisms 6 are installed at all ports in the multiple solar water storage tanks 1;

[0044] When in use, water delivery can be performed by controlling the pressurized hot water supply system 8. In the schematic diagram of the pipeline connection structure of the type A equipment warehouse, a liquid level and temperature sensor port 10, a heating water outlet 11, and an electric auxiliary heating pipe installation hole 12 are provided inside the type A equipment warehouse, and one end of the cold water inlet 2 is connected to a pipe 1 81 through a sealing rubber ring 16, and one end of the hot water outlet 3 is connected to a pipe 2 82 through a sealing rubber ring 16, and the pipe 1 81 and the pipe 2 82 mix the internal hot water and cold water through the thermostatic valve 7 to adjust to the required temperature, and then discharge it through the constant temperature outlet pipe 13 for use. When cold water needs to be transported, it is transported through the tap water inlet pipe 5, and the tap water inlet pipe 5 and the constant temperature outlet pipe 13 are both connected from the bottom of the equipment warehouse. The solar water tank 1 is led out from the opening, and the heat exchange tube 84 is arranged inside the solar water tank 1. The heat exchange tube 84 is assembled by splicing the heat exchange tube 84 and the straight tube. When the solar water tank 1 needs to perform heat exchange, water is transported through one of the heat exchange tubes 84 into the U-shaped heat exchange connecting tube 83, and then the water is transported to the three-way pipe 14 through the U-shaped heat exchange connecting tube 83. The pressure relief valve 15 on one side of the three-way pipe 14 can be used to relieve pressure and transport water. The water released by the pressure relief is diverted to the outside of the equipment compartment through a hose, and then the water is transported to another heat exchange tube 84 to realize heat exchange. The liquid level and temperature sensor port 10 is used to detect the water level, and the electric auxiliary heating tube installation hole 12 is used to recover the heating water.

[0045] It also includes a fin mechanism 9, which is arranged on the inner side and the outer side of the heat exchange tube 84, and the fin mechanism 9 is used to improve the heat exchange efficiency;

[0046] The fin mechanism 9 includes a plurality of outer fins 92 equidistantly fixedly connected to the outer side of the heat exchange tube 84, and a plurality of inner fins 91 equidistantly fixedly connected to the inner side of the heat exchange tube 84;

[0047] When in use, the heat exchange efficiency can be improved by providing a plurality of inner fins 91 and outer fins 92 on the outer side and the inner side of the heat exchange tube 84 .

[0048] A liquid level and temperature sensor port 10 is provided inside the solar water storage tank 1, and a liquid level sensor and a temperature sensor are provided inside the liquid level and temperature sensor port 10 through a sealing rubber ring 16;

[0049] When in use, a liquid level sensor is provided inside the liquid level and temperature sensor port 10 for detecting the liquid level, and a sealing rubber ring 16 is provided between the liquid level and temperature sensor port 10 and the liquid level sensor to improve the connection sealing performance.

[0050] Embodiment 2

[0051] like Figure 1-6 In the second embodiment, other structures remain unchanged, and the difference from the first embodiment is

[0052] Also includes: protective insulation mechanism 6

[0053] The protective heat-insulating mechanism 6 is arranged on both sides of the solar water storage tank 1, and the protective heat-insulating mechanism 6 can provide a blocking protection and heat-insulating function for the equipment installation bin;

[0054] The protective heat preservation mechanism 6 comprises an outer end cover 61 arranged on both sides of the solar water storage tank 1, and one side of the outer end cover 61 is fixedly connected to an equipment warehouse heat preservation plate 62;

[0055] When in use, the equipment compartment insulation board 62 can provide insulation measures in the internal space between the outer end cover 61 and the solar water storage tank 1, and the outer end cover 61 can perform sealing work and provide protection.

[0056] The thermal insulation layer inside the solar water storage tank 1 is a polyurethane thermal insulation layer. By arranging the polyurethane thermal insulation layer inside the solar water storage tank 1, the hot water thermal insulation effect of the solar water storage tank 1 can be improved, thereby preventing the temperature from dropping too fast when storing hot water.

[0057] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0058] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multifunctional solar water storage tank, characterized in that: include: Solar Water Tank(1) The solar water storage tank (1) comprises an inner barrel, an outer skin, a thermal insulation layer and end covers at both ends of the outer skin, and equipment installation compartments are arranged in the outer skin and the thermal insulation layer at both ends of the water tank; The solar water storage tank equipment installation compartment is provided with a cold water inlet (2), the solar water storage tank (1) is provided with a hot water outlet (3), the solar water storage tank (1) is provided with a heating return hole (4), a guide pipe (17) is installed inside the heating return hole (4), the solar water storage tank (1) is provided with a heating outlet hole (11), and the solar water storage tank (1) is provided with an electric auxiliary heating pipe installation hole (12); A pressurized hot water supply system (8), the pressurized hot water supply system (8) being arranged inside the solar water storage tank (1), the pressurized hot water supply system (8) being capable of conveying hot and cold water, and the pressurized hot water supply system (8) adopting a non-contact heat exchange pressurized structure; The pressurized hot water supply system (8) comprises a first pipe (81) and a second pipe (82) arranged on one side of the solar water storage tank (1), and the connection between the first pipe (81) and the second pipe (82) is connected via a sealing rubber ring (16), a thermostatic valve (7) is connected between the first pipe (81) and the second pipe (82) via the sealing rubber ring (16), a constant temperature water outlet pipe (13) is arranged on one side of the thermostatic valve (7) via the sealing rubber ring (16), and a sealing rubber ring is provided on one side between the second pipe (82) and the thermostatic valve (7). The sealing rubber ring (16) is provided with a tap water inlet pipe (5), and heat exchange pipes (84) are provided at one end of the pipe 1 (81) and the pipe 2 (82) and are located in the solar water storage tank (1), one end of one of the heat exchange pipes (84) is connected to a U-shaped heat exchange connecting pipe (83) through a sealing rubber ring (16), and a three-way pipe (14) is connected between the other heat exchange pipe (84) and the U-shaped heat exchange connecting pipe (83) through a sealing rubber ring (16), and a pressure relief valve (15) is provided on one side of the three-way pipe (14) through a sealing rubber ring (16).

2. The multifunctional solar water storage tank according to claim 1, characterized in that: It also includes a fin mechanism (9), the fin mechanism (9) being arranged on the inner side and the outer side of the heat exchange tube (84), and the fin mechanism (9) being used to improve the heat exchange efficiency; The fin mechanism (9) comprises a plurality of outer fins (92) equidistantly fixedly connected to the outer side of the heat exchange tube (84), and a plurality of inner fins (91) equidistantly fixedly connected to the inner side of the heat exchange tube (84).

3. The multifunctional solar water storage tank according to claim 1 is characterized in that: The solar water storage tank (1) is provided with a liquid level and temperature sensor port (10) inside, and a liquid level sensor and a temperature sensor are provided inside the liquid level and temperature sensor port (10) via a sealing rubber ring (16).

4. The multifunctional solar water storage tank according to claim 1 is characterized in that: Also includes: A protective heat-insulating mechanism (6), wherein the protective heat-insulating mechanism (6) is arranged on both sides of the solar water storage tank (1), and the protective heat-insulating mechanism (6) can provide a blocking protection and heat-insulating function for the solar water storage tank equipment installation bin; The protective heat-insulating mechanism (6) comprises outer end covers (61) arranged on both sides of the solar water storage tank (1), and one side of the outer end cover (61) is fixedly connected to an equipment warehouse heat-insulating plate (62).

5. The multifunctional solar water storage tank according to claim 1 is characterized in that: The thermal insulation layer inside the solar water storage tank (1) is a polyurethane thermal insulation layer.

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